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The victim barely made it out alive. She sustained several serious stab wounds to major organs, survived the attack and crawled out of the woods.

She ran into a passing cyclist who then called 911.

She was rushed into surgery and is currently in a stable condition. Medical staff said that she was "one millimeter from certain death".

Jack said that the suspects had plotted for months before the attack.

The police added that the two girls said they believed in a fictional evil character called Slenderman on creepypasta.com, which has a collection of stories about death and horror, and wanted to be one of his followers.